What Is the Oxidation Number of Cr in Cr₂O₇^2-

question 129

Multiple Choice

What is the oxidation number of Cr in Cr₂O₇^2-?

• A) -12
• B) -7
• C) -2
• D) +6
• E) +7

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Definitions:

Straight-Line Depreciation

A method of calculating the depreciation of an asset, where the asset's cost is reduced equally over its useful life.

Payback Period

The length of time it takes for an investment to generate enough cash flow to recover its original cost, a measure of investment risk.

Investment Project

A project that allocates capital with the aim of generating returns over time, often involving infrastructure, real estate, or other assets.

Straight-Line Depreciation

A method of allocating the cost of a tangible asset over its useful life in equal annual increments.